Illumination – Self powered lamp – Cylindrical flashlight casing
Patent
1976-11-23
1978-12-19
Engle, Samuel W.
Illumination
Self powered lamp
Cylindrical flashlight casing
362189, F21L 700
Patent
active
041308590
ABSTRACT:
The invention relates to a pocket lamp having an electric battery, a light bulb, a housing one of whose walls is made of a plastic material and supports the light bulb and forms a reflector and conductors forming with the light bulb and the battery an electric circuit closed by a switch. The switch has a knob sliding along the wall of the housing and which can be placed in two stable positions which are determined by a resilient appendage belonging to the aforementioned wall and co-operating with a protuberance formed in the knob. Application to pocket torches having a flat electric battery.
REFERENCES:
patent: 1676849 (1928-07-01), Barany
patent: 3443084 (1969-05-01), Jammet
Compagnie Industrielle des Piles Electriques "Cipel" S.A.
Engle Samuel W.
Palo Ralph
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